OpenTechnical

OT-2026-000038804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000038804) never changes.

Identity and time

Publication numberOT-2026-000038804 · never reused
Internal UUID01a0ae78-769f-76cf-b9d5-65c93ceba8fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038804
StatusPUBLIC

Content hashes

Canonical textc7d21516764fb611780b0c9b8ec9906a46411756513ff661e57549685277a0ef
Markdowncdf125b975beb9514730353cccaef97ddb815d41323388ee63a1809500bc8e07
PDF
Publication paged281505b8683b8b040346fad7acc3572afe0a3dc633104aa397c98ed00cc4ee9
Manifest1585ffc92599ee2cd241a73e843094c01a7490a1e6a3c10297664c08238d391d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTXpvUiJcmrYOnh7A5fhr1p+o/rw7rTZmWoL1PNIYo5MhqNNyJIrKijlauayYu2bvIBzU+IPo9dm6P4dJRzfcDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:21.545424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038804
observed d281505b8683b8b040346fad7acc3572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.527753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038804/manifest.json
observed 1585ffc92599ee2cd241a73e843094c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.509694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038804/publication.md
observed cdf125b975beb9514730353cccaef97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.491182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038804/publication.txt
observed c7d21516764fb611780b0c9b8ec9906a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.